\begin{tikzpicture}
    \tkzDefPoints{0/0/A,  -0.8/1/C}
    \tkzDefPointBy[rotation=center C angle 30](A)  \tkzGetPoint{e}
    \tkzDefPointOnLine[pos=1.4](C,e)  \tkzGetPoint{E} % CE > AC
    \tkzDefPointOnLine[pos=1.8](C,E)  \tkzGetPoint{D}
    \tkzInterLC(A,E)(D,E)             \tkzGetFirstPoint{b}
    \tkzDefPointOnLine[pos=1.4](E,b)  \tkzGetPoint{B} % BD > ED

    \tkzDrawPolygon(A,C,E)
    \tkzDrawPolygon(B,D,E)
    \tkzLabelPoints[above](C,E)
    \tkzLabelPoints[right](B)
    \tkzLabelPoints[below](A,D)
\end{tikzpicture}

